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Knowledge Base Articles Discussion This is a discussion on Radiator and inverter A/F the same system? within the Knowledge Base Articles Discussion forums, part of the Toyota Prius Forums category; Is the anti freeze in the radiator and in the inverter part of the same system or are they independent ...


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Old 04-20-2008, 08:49 PM   #1
MR.K
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Default Radiator and inverter A/F the same system?

Is the anti freeze in the radiator and in the inverter part of the same system or are they independent from each other ...thanks ...
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Old 04-20-2008, 10:40 PM   #2
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Default Re: Radiator and inverter A/F the same system?

Two independent loops. The lower third of the main radiator
is a dedicated section for the inverter, even though it's
physically part of the same unit.
.
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Old 04-21-2008, 12:35 AM   #3
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Default Re: Radiator and inverter A/F the same system?

Independent systems both using the same fluid - Toyota SLLC
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Old 04-21-2008, 09:15 PM   #4
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Default Re: Radiator and inverter A/F the same system?

Is there a pitcock to drain the inverter supply...??
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Old 04-21-2008, 11:48 PM   #5
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Default Re: Radiator and inverter A/F the same system?

Mr. K, for the inverter loop there is a bolt under the transaxle. It is possible to mistake it for the transaxle fluid drain bolt, so don't do that. Reservoir cap off for draining, also.

Engine coolant is drained by a radiator valve, and another on the engine that you'll never find unless somebody tells you where it is.
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Old 05-11-2008, 11:33 PM   #6
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Default Re: Radiator and inverter A/F the same system?

My Prius Chilton's repeatedly refers to the Inverter coolant as the Transaxle coolant. Not sure which its cooling more as it does both and then is routed into the bottom of the radiator like most automatic transmissions.That should make you even more confused.
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